Drain-trap.



Patented New. I9, |90l.

G. A. SCHILLINGER.

DRAIN TRAP.

{.Appnmim mea Jan. a1, im.)

2 Sheets-Sheet 2.

(Ilo Model.)

UNiTED STATES PATENTy y GUSTAV A. SCHILLINGER, OF CHICAGO, ILLINOIS.

lDRAIN-TRAP.

SPECIFICATION forming part of Letters Patent No. 686,909, dated November 19, 1901. Application led January 31,I 1900. Serial No. 3,391. (No model.)

To a/ZZ whom t may concern.-

Beitknown that LGUsTAvAScHILLrNGER, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Drain-Traps, of which the following is a specification.

The object of this invention is the production of a drain-trap susceptible of being tightly embedded in cement or asphalt iloors or pavements, making a gas and water tight joint with said cement or asphalt.

In the accompanying drawings, Figure l is a plan View of a drain-trap embodying the features of my invention. Fig. 2 is a vertical central sectional view ofthe same. Fig. 3' is a side elevation of a drain-trap, such as shown in the two preceding gures, the lower portion of the trap being represented as broken away. Fig. L is a vertical central section through the lower end of this drain trap, showing .the means for making connection between the trap and its continuing pipe. Fig. 5 is a plan view of, and Fig. 6 a vertical cen tral section through, a drain-trap differing slightly in forni from the trap shown in the preceding figures.

Like letters of reference indicate corresponding parts throughout the several views.

In the embodiment of my invention I produce the body portion of a drain-trap which comprises the basin A of any suitable form, and this body portion is provided with a central integral pipe A', the upper end of which rises within said basin a distance above the bottom thereof,the lower end having the curving annular shell A2. The interior of this basin A is provided with a shoulder A3 to support a perforated strainer, to be later described herein. In order to embed this drain-trap in the surrounding asphalt orconcrete, I provide the outwardly e extending flange A4, formed integral with the basin A of the draintrap,also forming the outer walls of said basin, so that a recess A occurs above said flange. The flange A4 has the corrugations A6 upon its upper surface and is provided with the perforations A'I to receive and hold firmly to the cement or asphalt surrounding the trap, the asphalt above the flange being connected to that below the flange by the material which is forced into the perforations A7, thus bonding the two bodies of asphalt rigidly together and holding the trap securely in position. The recess A5 is also filled with the material in which the trap is embedded. Further, to provide for tightness between the drain-trap and the asphalt or concrete of a floor I have fitted the flange A8 of drain-traps to be used within buildings (that form illustrated in Figs. 5 and 6) with the angular recess A9 and the upper portion of the basin A with the angular recess A10, into both of which the concrete or asphalt is forced.

The annular shell A2 is intended to assist in forming a joint with the continuing pipe when the drain-trap (shown in Figs. l, 2, and 3) is placed in a floor and where the joint is made below the floor. In installing the trap in such a place it is first firmly embedded, the flange of the continuing pipe, sufficiently large to fit over the lower end of the integral pipe A', is forced upward within the annular shell A2, and the surrounding space filled and packed tightly with asphalt, cement, or other suitable packing.

B is a grating intended to fit within the upper part of the basin A, partially closing said basin. It lies flush with the upper face of the draintrap and is easily removable from its position.

A perforated strainer-plate C rests upon the shoulder A3 within the basin A and pre- Vents thepassage of obstructionssmallenough to be carried through the openings in the grating B. This strainer-plate C has the central integral stud C perforated to receive the bolt C2, by means-of which bolt the bell C3 is held rigidly in connection with the strainer C.

I claim as my invention-M j l. Ina drain-trap the combination with a one-piece pot of an upper integral flange eX- tending outwardly at the top thereof, a continuous peripheral flange also integral with the pot and extending horizontally outward therefrom and'beyond said upper flange and having a plurality of apertures therethrough and corrugations in the surface thereof.

2. In a drain-trap the combination with a one-piece pot, of an integral outwardly-extending ilange at the top thereof, a peripheral angular groove in the edge of said flange,

IOO

alowereontinuous flange below the top flange therefrom and shoulders ou the inner surface also integralwitli the pot, the'upper surface of said pot and adapted to support a removof said second flange being corrugated and able strainer-plate and bell respectively.

having perforations therein, a peripheral an- GUSTAV A. SCHILLINGER. 5 gular groove in the edge of said lower flange Witnesses:

and a pipe also integral Wthsaid pot and ex- GEO. L. CHINDAHL,

tending upwardly therein and outwardly i L. L. MVILILER.A Y 

